Biology 101

All organisms in Domain Eukarya have cells with _____.

• a cell wall

• a nucleus

• chloroplasts

• centrioles

Tags

NGSS.HS-LS3-1

Those traits not found in the common ancestor of a taxonomic group are _____ traits.

• derived

• ancestral

• fossil

• vestigial

Tags

NGSS.MS-LS4-2

The sequencing of _____ suggests that all organisms evolved from a common ancestor along three distinct lineages.

• mitochondrial DNA

• rRNA

• cytochrome C

Tags

NGSS.MS-LS3-1

Traditionally, Domain Eukarya contains _____ kingdoms.

• one

• two

• three

• four

______ has occurred when distantly related species have a structure that looks the same only because of adaptation to the same type of environment.

• Parsimony

• Homology

• Convergent evolution

• Divergent evolution

Tags

NGSS.MS-LS4-6

When systematic biologists study mutations in base-pair sequences that accumulate occur over time, they are studying:

• Morphological traits

• Fossil traits

• Behavioral traits

• Molecular traits

Tags

NGSS.MS-LS3-1

Which of the following taxa does not contain prokaryotes?

• 
  Fungi

• Archaea

• Bacteria

Tags

NGSS.HS-LS4-1

Which of the following is true of a cladogram?

• It is subjective and reflects the bias of the investigator who created it.

• It tells us the exact time at which derived characters evolved.

• It shows the sequence in which characters evolved in the group being studied.

• Cladograms very rarely change as new data is gathered.

When determining the phylogeny of closely-related species, investigators study _____ because it changes so quickly.

• rRNA

• mitochondrial DNA

• cytochrome c

• nuclear DNA

Tags

NGSS.HS-LS4-2

The relatedness of groups of organisms is more accurately determined when _____ data is examined.

• molecular

• fossil

• homology

Tags

NGSS.MS-LS4-2